Single tier letter holder



FIG. 1 is a perspective view of a single tier letter holder, showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a side elevational view thereof;

FIG. 4 is a top plan view thereof; and,

FIG. 5 is a bottom plan view thereof.

The broken line showing in the drawings of five partial cylindrical segments on the bottom-most horizontal wire, as well as the screw-hole indentations on the vertical members, illustrate environmental matter and form no part of the claimed design. 

The ornamental design for a single tier letter holder, as shown and described. 